gcc/testsuite/gcc.dg/sms-1.c

   1 /* The same test as loop-3c.c.  It failed on ia64
   2    due to not handling of subreg in the lhs that is fixed.  */
   3 /* { dg-do run } */
   4 /* { dg-options "-O2 -fmodulo-sched -fmodulo-sched-allow-regmoves -fdump-rtl-sms" } */
   5
   6
   7 #include <limits.h>
   8 extern void abort (void);
   9
  10 void * a[255];
  11
  12 __attribute__ ((noinline))
  13 void
  14 f (int m)
  15 {
  16   int i;
  17   int sh = 0x100;
  18   i = m;
  19   do
  20     {
  21       a[sh >>= 1] = ((unsigned)i << 3)  + (char*)a;
  22       i += 4;
  23     }
  24   while (i < INT_MAX/2 + 1 + 4 * 4);
  25 }
  26
  27 int
  28 main ()
  29 {
  30   a[0x10] = 0;
  31   a[0x08] = 0;
  32   f (INT_MAX/2 + INT_MAX/4 + 2);
  33   if (a[0x10] || a[0x08])
  34     abort ();
  35   a[0x10] = 0;
  36   a[0x08] = 0;
  37   f (INT_MAX/2 + 1);
  38   if (! a[0x10] || a[0x08])
  39     abort ();
  40   return 0;
  41 }
  42
  43 /* { dg-final { scan-rtl-dump-times "SMS succeeded" 1 "sms"  { target powerpc*-*-* spu-*-* } } } */
  44